Home / 920,291,797.26-1,270,004,101.11-523,814,782.70

Finding the Fourth Proportional to 920,291,797.26, 1,270,004,101.11 and 523,814,782.70

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Solution

The fourth proportional to 920,291,797.26, 1,270,004,101.11 and 523,814,782.70 is: 722,865,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,291,797.26 : 1,270,004,101.11 = 523,814,782.70 : x
  2. Step 2: Convert to fraction form
    920,291,797.26/1,270,004,101.11 = 523,814,782.70/x
  3. Step 3: Cross multiply
    920,291,797.26x = 1,270,004,101.11 × 523,814,782.70
  4. Step 4: Simplify right side
    920,291,797.26x = 665,246,922,244,693,376
  5. Step 5: Solve for x
    x = 665,246,922,244,693,376/920,291,797.26
  6. Step 6: Final answer
    x = 722,865,208.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.